#18323A
Closest named color: Gunmetal (#293241). oklch(30% 0.035 220), rgb(24, 50, 58).
Aa
White text reads best on this color (13.49:1).
About this color
#18323A is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.035 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.028 away. White text reads best on it, at 13.49:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.55:1 |
| White text | 13.49:1 |
Values
| HEX | #18323A |
| RGB | rgb(24, 50, 58) |
| HSL | hsl(194, 41%, 16%) |
| OKLCH | oklch(30% 0.035 220) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #18323A | 13.49:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #18323A | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #18323A text on white | 13.49:1 | AAA | Lc 99.9 | Preferred for body text |
| #18323A text on black | 1.55:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A4C7D3
oklch(80.8% 0.041 220.6)
-
Step 400
400
#70ABBD
oklch(70.7% 0.067 219.1)
-
Step 500
500
#4695AD
oklch(63% 0.085 220.6)
-
Step 600
600
#207F98
oklch(55.5% 0.092 220.1)
-
Step 700
700
#0E6C82
oklch(49.2% 0.086 219.2)
-
Step 800
800
#12586A
oklch(42.8% 0.071 219.8)
-
Step 900
900
#194856
oklch(37.6% 0.055 220.9)
-
Step 950
950 (this color)
#18323A
oklch(30% 0.035 220)
#18323A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2D313A | 0.029 |
| Deuteranopia (no green cones) | #282D3A | 0.026 |
| Tritanopia (no blue cones) | #053534 | 0.023 |
| Achromatopsia (no color) | #2E2E2E | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18323A
#18323A
oklch(30% 0.035 220)
- #3D2820
#3D2820
oklch(30% 0.035 41.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #18323A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.037
- Midnight Green #073B4C ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.042
- Oxford Blue #1B263B ΔE 0.042
- Jet #212529 ΔE 0.047
- Dark #1B2431 ΔE 0.047
- Onyx #343A40 ΔE 0.051
Use #18323A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.